Home / 11,949.24-16,489.44-6,644

Finding the Fourth Proportional to 11,949.24, 16,489.44 and 6,644

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Solution

The fourth proportional to 11,949.24, 16,489.44 and 6,644 is: 9,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.24 : 16,489.44 = 6,644 : x
  2. Step 2: Convert to fraction form
    11,949.24/16,489.44 = 6,644/x
  3. Step 3: Cross multiply
    11,949.24x = 16,489.44 × 6,644
  4. Step 4: Simplify right side
    11,949.24x = 109,555,839.36
  5. Step 5: Solve for x
    x = 109,555,839.36/11,949.24
  6. Step 6: Final answer
    x = 9,168.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.